amaze.directory

If you have built an AI tool, amaze.directory is free to submit to and stays free. You send the link and a sentence about what it does. It goes through screening, and if it clears you get an embed badge. Put the badge in your page's HTML, hit verify, and the listing goes live with a real dofollow link. The badge is the whole cost: a listing takes a review either way, and the badge is how a maker shows the listing is wanted. No paid tiers, no pay-to-rank, no upsell after you are listed.